CN102974831A - Recycling and reusing method of waste tungsten steel tool - Google Patents
Recycling and reusing method of waste tungsten steel tool Download PDFInfo
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- CN102974831A CN102974831A CN2011102743363A CN201110274336A CN102974831A CN 102974831 A CN102974831 A CN 102974831A CN 2011102743363 A CN2011102743363 A CN 2011102743363A CN 201110274336 A CN201110274336 A CN 201110274336A CN 102974831 A CN102974831 A CN 102974831A
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- tungsten carbide
- tipped tool
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Abstract
The invention discloses a recycling and reusing method of a waste tungsten steel tool. The recycling and reusing method aims at solving the problems in existing methods that environment is polluted, cleaning effect is not satisfying, more impurities in hard alloy powder are pone to be caused, holes exist in the calcined hard alloy and the like. The recycling and reusing method at least comprises the following procedures, namely a cleaning procedure, a drying procedure, a ball-milling procedure and a detection analysis procedure. The cleaning procedure comprises the following steps: firstly placing the waste tungsten steel tool into a first pure water pool to carry out ultrasonic cleaning, and then placing the waste tungsten steel tool into a second pure water pool to carry out ultrasonic cleaning and finally placing the waste tungsten steel tool into a third alcohol pool to carry out third cleaning. The detection analysis procedure comprises the following steps: detecting and analyzing alloy components in waste tungsten steel powder to obtain essential components of the waste tungsten powder which is served as raw materials and content of the essential components, and then adding wolfram carbide (WC) or carbonic oxide (CO) and carbon (C) and obtaining the alloy powder served as the raw materials by ball-milling.
Description
Technical field
The present invention relates to the recycling method of scrap hard alloy, the reclaiming that relates in particular to a kind of waste and old tungsten carbide tipped tool utilizes method.
Background technology
Chinese patent CN1609279A discloses a kind of like this method of producing powder raw material of rigid alloy product from waste hard alloy, its technique that adopts is: with the scrap hard alloy classification of reclaiming, clean, the cleaned scrap hard alloy dynamic electrolytic machine of directly packing into, add hydrochloric acid solution, electrolysis-ball milling drum speed is that 15～85% of critical speed is carried out electrolytic treatments, emitted electrolyte in per 8～12 hours, separate powder process, the process of separating powder process is as follows: electrolyte and alloy fragment are crossed 120 mesh sieves, oversize is electrolysis again, screenings is isolated sediment and electrolytic solution, sediment undergoes washing-drying-analysis carbon oxygen-accent carbon reduction processing-ball milling screening-analytical control-qualified products; Electrolytic solution-compound precipitation-sediment calcining-oxide-reduction-alloy powder.Chinese patent CN1876287A also discloses a kind of like this hard alloy recovery method, its technique that adopts is: the alloy composition of analyzing the hard alloy scraps part, obtain necessary composition and content thereof as the alloy of the hard alloy scraps part of raw material, make the alloy lining of disintegrating machine and alloy hammer and with its disintegrating machine of packing into according to the necessary composition of gained alloy and content thereof, in disintegrating machine, the hard alloy scraps part behind clear Xian is broken into alloying pellet, alloying pellet is worn into slurry in grater, will make cemented carbide powder behind the slurry drying.Said method all adopts washing powder to clean, contaminated environment, and cleaning performance is more undesirable, easily causes in the cemented carbide powder impurity more, and there is hole in the carbide alloy after calcining, affects the carbide alloy quality.
Summary of the invention
The purpose of this invention is to provide a kind of pollution-freely, can effectively remove waste and old tungsten carbide tipped tool surface impurity, eliminate hole, the reclaiming that improves the waste and old tungsten carbide tipped tool of carbide alloy quality utilizes method.
For achieving the above object, the reclaiming of the waste and old tungsten carbide tipped tool of the present invention utilizes method, comprises the steps:
(1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time;
(2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying;
(3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater;
(4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again.
Water temperature in the first service sink of described matting is 50～100 ℃.
Described cleaning agent is comprised of the following weight proportioning: tartaric acid 92～98 pure water 8～2.
Owing in matting, used tartaric acid as cleaning fluid, environmentally safe, simultaneously, can the lip-deep Impurity removal of waste and old tungsten carbide tipped tool is clean, make the purity of waste and old wolfram steel obtain larger raising, thereby drying operation, ball milling operation and detection analysis procedure have effectively been eliminated hole again, have improved the carbide alloy quality.
The specific embodiment
The reclaiming of the waste and old tungsten carbide tipped tool of embodiment 1 the present invention utilizes method, comprise the steps: (1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time; (2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying; (3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater; (4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again; Water temperature in the first service sink of described matting is 50 ℃; Described cleaning agent is comprised of the following weight proportioning: tartaric acid 92 pure water 8.
The reclaiming of the waste and old tungsten carbide tipped tool of embodiment 2 the present invention utilizes method, comprise the steps: (1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time; (2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying; (3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater; (4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again; Water temperature in the first service sink of described matting is 60 ℃; Described cleaning agent is comprised of the following weight proportioning: tartaric acid 93 pure water 7.
The reclaiming of the waste and old tungsten carbide tipped tool of embodiment 3 the present invention utilizes method, comprise the steps: (1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time; (2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying; (3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater; (4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again; Water temperature in the first service sink of described matting is 100 ℃; Described cleaning agent is comprised of the following weight proportioning: tartaric acid 94 pure water 6.
The reclaiming of the waste and old tungsten carbide tipped tool of embodiment 4 the present invention utilizes method, comprise the steps: (1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time; (2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying; (3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater; (4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again; Water temperature in the first service sink of described matting is 90 ℃; Described cleaning agent is comprised of the following weight proportioning: tartaric acid 95 pure water 5.
The reclaiming of the waste and old tungsten carbide tipped tool of embodiment 5 the present invention utilizes method, comprise the steps: (1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time; (2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying; (3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater; (4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again; Water temperature in the first service sink of described matting is 80 ℃; Described cleaning agent is comprised of the following weight proportioning: tartaric acid 98 pure water 2.
The reclaiming of the waste and old tungsten carbide tipped tool of embodiment 6 the present invention utilizes method, comprise the steps: (1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time; (2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying; (3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater; (4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again; Water temperature in the first service sink of described matting is 70 ℃; Described cleaning agent is comprised of the following weight proportioning: tartaric acid 97 pure water 3.
Claims (3)
1. the reclaiming of a waste and old tungsten carbide tipped tool utilizes method, it is characterized in that comprising the steps:
(1). matting: first waste and old tungsten carbide tipped tool is put into the first pure water pond that adds cleaning agent and carried out Ultrasonic Cleaning, and then the waste and old tungsten carbide tipped tool behind first time Ultrasonic Cleaning is put into second pure water pond carry out Ultrasonic Cleaning, at last the waste and old tungsten carbide tipped tool behind second time Ultrasonic Cleaning is put into the 3rd road and spilt smart pond and clean for the third time;
(2). baking operation: the waste and old tungsten carbide tipped tool after matting is put into oven drying;
(3). ball milling operation: the waste and old tungsten carbide tipped tool after the drying operation is dropped into crusher in crushing become graininess, the more waste and old wolfram steel of graininess is clayed into power in grater;
(4). detect analysis procedure: detect the alloy composition of analyzing in the waste and old wolfram steel powder, obtain necessary composition and content thereof as the waste and old wolfram steel powder of raw material, then add WC or Co and C, make alloy powder as raw material through ball milling again.
2. the reclaiming of waste and old tungsten carbide tipped tool according to claim 1 utilizes method, it is characterized in that: the water temperature in the first service sink of described matting is 50～100 ℃.
3. the reclaiming of waste and old tungsten carbide tipped tool according to claim 1 utilizes method, it is characterized in that: described cleaning agent is comprised of the following weight proportioning: tartaric acid 92～98 pure water 8～2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110274336.3A CN102974831B (en) | 2011-09-05 | 2011-09-05 | The recovery and reusing and recycling method of waste and old tungsten carbide tipped tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110274336.3A CN102974831B (en) | 2011-09-05 | 2011-09-05 | The recovery and reusing and recycling method of waste and old tungsten carbide tipped tool |
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| CN102974831A true CN102974831A (en) | 2013-03-20 |
| CN102974831B CN102974831B (en) | 2015-12-02 |
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| CN201110274336.3A Expired - Fee Related CN102974831B (en) | 2011-09-05 | 2011-09-05 | The recovery and reusing and recycling method of waste and old tungsten carbide tipped tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706462A (en) * | 2018-12-27 | 2019-05-03 | 东莞市誉铭新精密技术股份有限公司 | A kind of method utilized again after antenna for mobile phone steel disc processing |
| CN111922349A (en) * | 2020-09-21 | 2020-11-13 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of special metal chromium powder for CuCr alloy electrical contact |
Citations (5)
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| CN1054270A (en) * | 1991-03-19 | 1991-09-04 | 国营自贡硬质合金厂 | The recovery and treatment method of waste hand alloy material |
| JP2729860B2 (en) * | 1991-03-07 | 1998-03-18 | 株式会社日本製鋼所 | Method of manufacturing cemented carbide powder for injection molding and sintered cemented carbide |
| JPH11193425A (en) * | 1997-12-26 | 1999-07-21 | Toshiba Tungaloy Co Ltd | Method for regenerating powder for sintered hard alloy chip and method for regenerating sintered hard alloy chip |
| CN1460126A (en) * | 2001-03-29 | 2003-12-03 | 菩兰茜提琪股份公司 | Method for producing hard alloy powder |
| CN102294488A (en) * | 2011-08-23 | 2011-12-28 | 浙江锐利硬质合金有限公司 | Tungsten cobalt hard alloy recycling process |
-
2011
- 2011-09-05 CN CN201110274336.3A patent/CN102974831B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2729860B2 (en) * | 1991-03-07 | 1998-03-18 | 株式会社日本製鋼所 | Method of manufacturing cemented carbide powder for injection molding and sintered cemented carbide |
| CN1054270A (en) * | 1991-03-19 | 1991-09-04 | 国营自贡硬质合金厂 | The recovery and treatment method of waste hand alloy material |
| JPH11193425A (en) * | 1997-12-26 | 1999-07-21 | Toshiba Tungaloy Co Ltd | Method for regenerating powder for sintered hard alloy chip and method for regenerating sintered hard alloy chip |
| CN1460126A (en) * | 2001-03-29 | 2003-12-03 | 菩兰茜提琪股份公司 | Method for producing hard alloy powder |
| CN102294488A (en) * | 2011-08-23 | 2011-12-28 | 浙江锐利硬质合金有限公司 | Tungsten cobalt hard alloy recycling process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706462A (en) * | 2018-12-27 | 2019-05-03 | 东莞市誉铭新精密技术股份有限公司 | A kind of method utilized again after antenna for mobile phone steel disc processing |
| CN111922349A (en) * | 2020-09-21 | 2020-11-13 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of special metal chromium powder for CuCr alloy electrical contact |
| CN111922349B (en) * | 2020-09-21 | 2021-01-05 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of special metal chromium powder for CuCr alloy electrical contact |
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| CN102974831B (en) | 2015-12-02 |
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Granted publication date: 20151202 Termination date: 20170905 |